Brain natriuretic peptide 32 (BNP-32) act as a cardiac hormone with a variety of biological actions including natriuresis, diuresis, vasorelaxation, and inhibition of renin and aldosterone secretion. BNP-32 is used to treat heart failure (Nesiritide, Scios).Rat: H-Asn-Ser-Lys-Met-Ala-His-Ser-Ser-Ser-Cys-Phe-Gly-Gln-Lys-Ile-Asp-Arg-Ile-Gly-Ala-Val-Ser-Arg-Leu-Gly-Cys-Asp-Gly-Leu-Arg-Leu-Phe-OH (Cys10-Cys26) or H-NSKMAHSSSCFGQKIDRIGAVSRLGCDGLRLF-OH (Cys10-Cys26)